XXX Remove nawk(1)

@@ -465,20 +465,20 @@
         { print $0 } \
         ' > $@
 
 mdiox.h:        ../uts/common/sys/lvm/mdiox.x
         $(RPCGEN) $(RPCGENFLAGS) ../uts/common/sys/lvm/mdiox.x | \
-        nawk '{sub(/sys\/lvm\/md_mhdx/, "mhdx"); print $$0}' | \
-        nawk '{sub(/sys\/lvm\/md_basic/, "meta_basic"); print $$0}' | \
+        /usr/xpg4/bin/awk '{sub(/sys\/lvm\/md_mhdx/, "mhdx"); print $$0}' | \
+        /usr/xpg4/bin/awk '{sub(/sys\/lvm\/md_basic/, "meta_basic"); print $$0}' | \
         awk '/<synch.h>/ { print "#ifdef _REENTRANT"; print $$0; print "#endif\t/* _REENTRANT */"; next } \
         /<thread.h>/ { print "#ifdef _REENTRANT"; print $$0; print "#endif\t/* _REENTRANT */"; next } \
         { print $0 } \
         ' > $@
 
 metamed.h:      ../uts/common/sys/lvm/metamed.x
         $(RPCGEN) $(RPCGENFLAGS) ../uts/common/sys/lvm/metamed.x | \
-        nawk '{sub(/sys\/lvm\/md_basic/, "meta_basic"); print $$0}' | \
+        /usr/xpg4/bin/awk '{sub(/sys\/lvm\/md_basic/, "meta_basic"); print $$0}' | \
         awk '/<synch.h>/ { print "#ifdef _REENTRANT"; print $$0; print "#endif\t/* _REENTRANT */"; next } \
         /<thread.h>/ { print "#ifdef _REENTRANT"; print $$0; print "#endif\t/* _REENTRANT */"; next } \
         { print $0 } \
         ' > $@